NOTES AND SPECIFICATIONS

A
-
75mmTHICK PRECAST SPACERS
BEDDED IN 1:6 CEMENT MORTAR D/3 MAX
IN WHICH MANHOLE FRAME IS CLASS 20/19 MPa CONCRETE OF
GENERAL
BEDDED (MAX 2 RINGS) DOLOMITIC AGGREGATE
1. MINIMUM REQUIREMENTS ARE INDICATED ON
12mm WIDE FLEXIBLE CURVED CULVERT RECESS FOR LADDER THE DRAWING. THE CONSULTANT / DESIGNER
MANHOLE COVER & JOINT, CONSTRUCTED T T IS RESPONSIBLE AND LIABLE FOR FURTHER
FRAME (SEE TABLE) WITH SOFT BOARD STRA DETAILS AND TO ENSURE EFFECTIVE
380 IG
WITH HT CUL
V OPERATION AND MAINTENANCE OF THE
D/3 AS R LENGTH ERT INSTALLATION.
EQU S
MAX IRED D/3 2. THE SIGNATURE OR INITIALS ON THIS
MAX DRAWING OF COE OFFICIAL DOES NOT
380 REMOVE ANY RESPONSIBILITY WHATSOEVER
FLOW - FLOW

θ
PIPE BEDDING FROM THE CONSULTANT / DESIGNER.
B

Z
3. THE CONSULTANT / DESIGNER REMAINS
BC EC RESPONSIBLE TO ENSURE THAT ALL THE
GUIDELINES, STANDARD DRAWINGS,
SIGH STANDARDS AND SPECIFICATIONS OF THE
T LINE

D
WATER AND SANITATION DEPARTMENT HAVE
PIPE BEDDING FLOW BEEN MET AND ARE COMPLIED WITH IN THE
DESIGN.
PRECAST CONCRETE C 4. ALL MATERIAL AND WORKMANSHIP MUST
ROOF SLAB - COMPLY WITH THE REQUIREMENTS OF THE
LATEST RELEVANT SANS STANDARD.
STEP IRONS @ 300mm c/c 5. FINAL POSITION OF SERVICES TO BE
CENTER OF MANHOLE ON DETERMINED ON SITE.
6. ALL DIMENSIONS TO BE CHECKED AND

D
CENTER LINE OF CHANNEL 12mm WIDE FLEXIBLE

-
APPROVED ON SITE.

R=R
JOINT, CONSTRUCTED 7. ALL DIMENSIONS ARE IN mm (UNLESS
PLAN - MANHOLE COVER & FRAME PLAN - ROOF SLAB REMOVED

ADIU
WITH SOFT BOARD OTHERWISE SPECIFIED).
SCALE 1:20 8. DO NOT SCALE FROM THESE DRAWINGS.

S
SCALE 1:20

(4xD
9. CLASS OF CONCRETE UNLESS OTHERWISE
SPECIFIED ON DRAWING DETAILS:

)
REINFORCED CLASS 30/19
THRUST BLOCKS CLASS 20/19
BLINDING CLASS 15/19
MANHOLE COVERS AND FRAMES MANHOLE CHAMBER SIZES FLOOR SCREED SAND : CEMENT = 3 : 1
SANS 50124 (SABS EN 124) 10. PRE-CAST CONCRETE RINGS AND COVER
NOMINAL SLABS TO COMPLY WITH SANS 1294.
USAGE
POSITION OF Ø (mm) 11. JOINTS BETWEEN CONCRETE RINGS AND
FRAME AND COVER TYPE BETWEEN COVER SLABS AND BETWEEN
MANHOLE 1250 STRAIGHT THROUGH MANHOLES
PI RINGS AND FLOORS TO BE SEALED WITH
CARRIAGEWAY 560mm Ø CLASS D400 POLYESTER RESIN 1500 LARGER PIPES & BENDS IN MANHOLES & MANHOLES DEEPER THAN 3.0m BITUMEN SEALANTAPPROVED
( BY THE
STREET RESERVE 560mm Ø CLASS B125 POLYESTER RESIN OR TYPE 4 CONCRETE REPLACEMENT NOTE: MANHOLE CHAMBER SIZES TO BE APPROVED BY CoE WATER AND SANITATION DESIGNER).
DIVISION 12. SEWERS INSTALLED WITHIN ROAD RESERVE
ERVEN 560mm Ø CLASS B125 POLYESTER RESIN OR TYPE 4 CONCRETE REPLACEMENT
TYPICAL SETTING-OUT DETAIL BOUNDARIES MUST BE POSITIONED IN
ACCORDANCE WITH THE APPLICABLE
ONLY 560mm Ø, CLASS D400 POLYESTER RESIN MAY BE USED FOR SEWERS
GENERAL
300mm Ø AND LARGER ROOF SLAB REMOVED SERVICES LAYOUT DRAWING.
NOTE: CAST IRON COVERS AND FRAMES ARE USED ONLY WITH WRITTEN INSTRUCTIONS FROM SCALE 1:20 PARTICULAR:
THE ENGINEER
MANHOLE COVER & 1. CONCRETE MANHOLES TO BE OF DOLOMITIC
FRAME (SEE TABLE) ORIGIN
560 Ø 560 Ø 2. CHANNELING & BENCHING IN MANHOLES &
75mm THICK PRECAST REINF. CULVERT SECTIONS TO BE OF GRANDOLITHIC
CONCRETE SPACERS BEDDED CONCRETE & MUST BE CONSTRUCTED WITH A
MANHOLE COVER N.G.L. N.G.L. IN 1:6 CEMENT MORTAR IN FINAL THICKNESS OF 25mm FOR CHANNELING &

H
H

& FRAME (SEE WHICH MANHOLE FRAME IS D+680 (1250 MIN) 50mm FOR BENCHING
BEDDED (MAX 2 RINGS) b & c - SEE 3. THE INVERT LEVELS AS SHOWN ON
TABLE) d
560 Ø SECTION C LONGITUDINAL SECTIONS REFER TO THE BC & EC
75mm THICK PRECAST REINF. PRECAST REINF. OF THE CURVER CULVERT SECTION
CONCRETE SPACERS BEDDED PRECAST REINF. CONCRETE ROOF SLAB 255mm THICK CONCRETE 4. CONCRETE COVER TO ALL REBAR TO BE 40mm

200
N.G.L.
H

25
IN 1:6 CEMENT MORTAR IN CONCRETE ROOF SLAB ROOF SLAB (CLASS 20/19 MINIMUM
WHICH MANHOLE FRAME IS 250mm & / OR 500mm FACTORY MPa CONCRETE) 5. CONCRETE SECTIONS MUST BE FIXED WITH AN
BEDDED (MAX 2 RINGS) 65 65 250mm & / OR 500mm FACTORY 65 1250 65 MADE CONCRETE SECTIONS,
1250 APPROVED EPOXY SEALER

100
MADE CONCRETE SECTIONS, 1250mm NOMINAL DIAMETER,
1250mm NOMINAL DIAMETER, 6. FACTORY MADE MANHOLE SECTIONS TO BE IN
EPOXY PAINT TO PROTECT NUMBER AS REQUIRED (SEE ACCORDANCE WITH SANS 1294
NUMBER AS REQUIRED (SEE PARTICULAR NOTE 5 & 6) a a
PARTICULAR NOTE 5 & 6) CHAMBER INSIDE 7. NO PART OF THE MANHOLE MAY BE FINISHED
D OFF WITH CEMENT-WASH OR MORTAR
STEP IRONS, 300mm c/c
65 1250 65 STEP IRONS, 300mm c/c HORIZONTALLY & 8. TWO MANHOLE ACCESS SHAFTS MAY BE
HORIZONTALLY & CLASS 20/19 MPa
VERTICALLY AS SHOWN INSTRUCTED BY THE ENGINEER, ONE AT EACH
VERTICALLY AS SHOWN CONCRETE
D/3 430 END OF CULVERT SECTION
380 D/3 9. ENGINEER TO PROVIDE BENDING SCHEDULES
MAX d d MAX GRANO BENCHING AT FOR THE REINFORCEMENT

225
D/3 50 115 INVERT LEVEL APPLICABLE HERE SIDE OF CHANNEL 10. THE ROOF SLAB SHALL NOT BE FIXED TO THE
STEP IRONS, 300mm c/c
MAX AS SHOWN ON LONGITUDINAL RINGS WITH EPOXY BUT SHALL BE REMOVABLE
SECTION (ALSO REFER TO FOR CLEANING PURPOSES. IT SHALL THEREFOR
PARTICULAR NOTE 3) 340mm THICKNESS
250mm & / OR 500mm FACTORY b INCLUDING 25mm GRANO HAVE LIFTING LUGS CAST IN
c c 11. TYPICAL VALUES FOR H
t

50 MADE CONCRETE SECTIONS, a a a FINISHING. APPLIES TO

1250mm NOMINAL DIAMETER, b INVERT LEVELS UP H = 50 - 75mm WITHIN ERVEN & ROAD
NUMBER AS REQUIRED (SEE TO 5.5m BELOW FINISHED RESERVES
a a a = 250mm LOW COST HOUSING
PARTICULAR NOTE 5 & 6) GROUND LEVEL & WITH
D

DEVELOPMENTS & UNDEFINED

SECTION D D > 600mm Ø
ROADWAYS
INVERT LEVEL INVERT LEVEL
SCALE 1:20 - = 500mm OPEN VELD OR ROAD RESERVES
WHERE POSITION OF MANHOLES CAN BE
1:6 GRADIENT
CONCEALED BY LONG GRASS OR OTHER
t
100+D

GRANO BENCHING & GROWTH

CHANNELING OF DOLOMITIC 12. STEP IRONS TO BE COPOLYMER
AGGREGATE POLYPROPYLENE ENCAPSULATED 12mm HIGH
TENSILE STEEL BAR.
CLASS 20/19 MPa 510 OR 535 510 OR 535 PIPE BEDDING INVERT LEVEL APPLICABLE
HERE AS SHOWN ON
12mm WIDE FLEXIBLE
JOINT CONSTRUCTED
DESCRIPTION OF REBAR
CONCRETE OF DOLOMITIC GRANO BENCHING &
12mm WIDE FLEXIBLE LONGITUDINAL SECTION WITH SOFT BOARD (AS SHOWN IN SECTION C & D):
225

AGGREGATE CHANNELING OF
JOINT CONSTRUCTED (ALSO SEE PARTICULAR NOTE 3) a = Y20 @ 150 VERT, 450mm LONG
DOLOMITIC AGGREGATE 500 1020 OR 1070 500 PIPE BEDDING
WITH SOFT BOARD b = Y12 @ 150 - B1, BENT AS SHOWN IN SECTION D
C = Y12 @ 75 - B1, AS SHOWN IN SECTION C
ABBREVIATIONS:
d = Y12 @ 150 - B2, DISTRIBUTION BARS
BC= BEGINNING OF CURVE
EC= END OF CURVE
CONCRETE COVER = 40mm T = TANGENT LENGTH
SECTION A SECTION B SECTION C B = LENGTH OF CURVE (BC TO EC)
SCALE 1:20 - SCALE 1:20 - SCALE 1:20 - PI = POINT OF INTERSECTION

AMENDMENTS WATER AND SANITATION DESIGNED CONTRACT No. PROJECT TITLE

APPROVED ON BEHALF OF:
NR DATE APPROVED DESCRIPTION OPERATIONS DIVISION NAME:.........................................
STANDARD GUIDELINE DRAWINGS
NAME:............................................................. PROF REG No:.......................
SIGNATURE:............................... DATE:....................... PROJECT No.
DRAWN DRAWING TITLE
SIGNATURE:.................................................. DATE:.......................

PROJECTS DIVISION CONSULTANT DETAILS TO BE

NAME:......................................... SHEET No. STANDARD DRAWING: SEWER RETICULATION
NAME:............................................................. PROF REG No:.......................
PLACED HERE SIGNATURE:............................... DATE:....................... MANHOLE DETAILS FOR SEWER PIPES LARGER THAN
SIGNATURE:.................................................. DATE:.......................
APPROVED PAPER SIZE 300mm NOMINAL DIAMETER
NAME:......................................... PROF REG No:.......................
PLANNING DIVISION A1
SIGNATURE:............................... DATE:.......................
WATER AND SANITATION NAME:............................................................. PROF REG No:....................... SCALE CoE DRAWING NUMBER
CONSULTANT DRAWING NUMBER
DEPARTMENT SIGNATURE:.................................................. DATE:....................... REVISION
STD-SR-004 REVISION